Acetic Acid Leaching on the Structure, Acidity and Performance of HMOR Catalyst

Hai-Bo HAN; You-He WANG; Kang LI; Jie LEI; Dan-He LIU; Zi-Feng YAN; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

doi:10.15541/jim20180220

Journals >Journal of Inorganic Materials >Volume 34 >Issue 2 >Page 179 > Article

Journal of Inorganic Materials
Vol. 34, Issue 2, 179 (2019)

Acetic Acid Leaching on the Structure, Acidity and Performance of HMOR Catalyst

Hai-Bo HAN^1、2, You-He WANG¹, Kang LI², Jie LEI², Dan-He LIU², Zi-Feng YAN¹, [in Chinese]^1、2, [in Chinese]¹, [in Chinese]², [in Chinese]², [in Chinese]², and [in Chinese]¹

Author Affiliations

¹1. State Key Laboratory for Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China

²2. Luoyang R&D Center of Technology of Sinopec Engineering (Group) CO., LTD., Luoyang 471003, China

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DOI: 10.15541/jim20180220 Cite this Article

Hai-Bo HAN, You-He WANG, Kang LI, Jie LEI, Dan-He LIU, Zi-Feng YAN, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Acetic Acid Leaching on the Structure, Acidity and Performance of HMOR Catalyst[J]. Journal of Inorganic Materials, 2019, 34(2): 179 Copy Citation Text

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. XRD patterns of HMOR zeolites treated with different concentrations of acetic acid

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27Al-NMR spectra of HMOR zeolites treated with different concentrations of acetic acid

. ²⁷Al-NMR spectra of HMOR zeolites treated with different concentrations of acetic acid

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. Acidity properties of HMOR zeolites treated with different concentrations of acetic acid
(a) NH₃-TPD; (b) FT-IR

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. N₂ adsorption-desorption isotherms and pore diameter distribution of HMOR zeolites treated with different concentrations of acetic acid

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. H-K cumulative pore volume of HMOR zeolites treated with different concentrations of acetic acid

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. H-K differential pore volume of HMOR zeolites treated with different concentrations of acetic acid

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. Inactivation curves of HMOR zeolites treated with different concentrations of acetic acid

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Sample	AC00	AC01	AC02	AC03
n(Si)/n(Al)	10.2	12.3	13.6	15.2
Crystallinity/%	100	99	97	95

Table 1. Relative crystallinity and Si/Al of HMOR zeolites treated with different concentrations of acetic acid

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Sample	B_framework /(μmol•g^-1)	B_12-MR /(μmol•g^-1)	B_8-MR /(μmol•g^-1)
AC00	898.1	436.3	461.8
AC01	780.2	322.5	457.7
AC02	668.8	225.3	443.5
AC03	591.6	170.4	421.2

Table 2. Properties of B acid sites in different channels of HMOR zeolites treated with different concentrations of acetic acid

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Samples	AC00	AC01	AC02	AC03
S_BET/(m²•g^-1)	477	476	455	449
S_mic/(m²•g^-1)	422	416	386	387
S_ext/(m²•g^-1)	55	60	69	62
V_total/(cm³•g^-1)	0.28	0.28	0.28	0.27
V_micro/(cm³•g^-1)	0.18	0.18	0.19	0.19
Median pore diameter/nm	0.59	0.60	0.61	0.62
Micropore distribution /(cm³•g^-1)
<0.6/nm	0.066	0.071	0.076	0.081
0.6-0.7/nm	0.029	0.027	0.021	0.020
0.7-1.2/nm	0.032	0.037	0.043	0.044

Table 3. Textural and structural properties of HMOR zeolites treated with different concentration of acetic acid

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